are the files iso 9001 certified.

No tools are ISO 9001 certified.

Can I have the pdf file in english? Also is this good for crystal/rock hardness?

I can't answer about the pdf but the files are calibrated for Rockwell hardness for metals, not Mohs scale for rock.

is the writing on the tool itself english or japanese?

Our tool is in Japanese. But we can send you a simple English document on how to use this tool in PDF.

Are these files good for measuring the hardness of soft steel such as hot or cold rolled or only good for tool hardened steel?

The files only go down to 40 Rockwell C, so they won’t give you any information on mild steel. They can tell you if a hardenable steel arrives with any prehardening, meaning you have to temper it before machining.

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TTC 6 Piece Hardness Tester File Set

Product ID: 28338205

Details

Brand
TTC
Color
White
Item Weight
8 ounces
Power Source
Battery
Style
Classic

✋Ergonomic non-slip grip for secure handling

🎨Color-coded files for instant ID

📏6 precision hardness levels (40-65 Rockwell)

E£ 13724

Duties & taxes included

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Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Hardness Testing, Simplified & Stylized

COLOR CODED EFFICIENCY - Instantly identify files with vibrant, easy-to-read colors—no guesswork.
ERGONOMIC NON SLIP GRIP - Stay in control with a secure grip designed for professional use.
TIME SAVING CONVENIENCE - Skip bulky machines and complicated setups—get fast, reliable results on the spot.
PORTABLE PRECISION TESTING - Carry your lab in your pocket—test hardness anywhere, anytime.
VERSATILE MATERIAL COMPATIBILITY - Perfect for exotic metals, high-temp alloys, and more—one set fits all.

The TTC 6 Piece Hardness Tester File Set by Travers Tool Co. offers a compact, portable solution for precise Rockwell hardness testing across six color-coded files ranging from 40 to 65. Designed with an ergonomic non-slip grip, this set enables quick, reliable scratch tests on a wide range of materials without the need for bulky equipment, making it an essential tool for professionals seeking efficiency and accuracy on the go.

Specifications

ASIN	B005701LAG
Best Sellers Rank	#73,569 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Hardness Testing Equipment
Brand Name	TTC
Color	White
Compatible Devices	HTF-6S
Customer Reviews	4.5 4.5 out of 5 stars (277)
Item Weight	8 ounces
Manufacturer	Travers Tool Co., Inc.
Measurement Type	Rockwell or Brinell
Model	HTF-6S
Number of Items	6
Part Number	HTF-6S
Power Source	Battery Powered
Style Name	Classic
UPC	647829664282

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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E£ 13724

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to EGYPT.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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